. >> seahawks, we don't like see -- see you later. >>> good morning, malfunction or >>> good morning, malfunction or mistake? investigators trying to piece together what caused that new york city commuter train to derail killing four people and injuring more than 60 others. the tragedy hitting home here at nbc. >>> final moments, investigators determine speed played a re in the fiery car crash that killed actor paul walker as the photos emerges showing him getting in the car just minutes before the accident. >>> delivery by drone. on this cyber monday, amazon announces its next big idea to get packages to your doorstep. could the technology be here sooner than you think? and is it a good idea? >>> and best play ever. reaction still pouring in to